30 	const struct snd_pcm_substream *substream)  in substream_to_prtd()  argument
32 	return substream->runtime->private_data;  in substream_to_prtd()
35 struct dma_chan *snd_dmaengine_pcm_get_chan(struct snd_pcm_substream *substream)  in snd_dmaengine_pcm_get_chan()  argument
37 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_get_chan()
52 int snd_hwparams_to_dma_slave_config(const struct snd_pcm_substream *substream,  in snd_hwparams_to_dma_slave_config()  argument
73 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in snd_hwparams_to_dma_slave_config()
105 	const struct snd_pcm_substream *substream,  in snd_dmaengine_pcm_set_config_from_dai_data()  argument
109 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in snd_dmaengine_pcm_set_config_from_dai_data()
136 	struct snd_pcm_substream *substream = arg;  in dmaengine_pcm_dma_complete()  local
137 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_dma_complete()
139 	new_pos = prtd->pos + snd_pcm_lib_period_bytes(substream);  in dmaengine_pcm_dma_complete()
140 	if (new_pos >= snd_pcm_lib_buffer_bytes(substream))  in dmaengine_pcm_dma_complete()
144 	snd_pcm_period_elapsed(substream);  in dmaengine_pcm_dma_complete()
147 static int dmaengine_pcm_prepare_and_submit(struct snd_pcm_substream *substream)  in dmaengine_pcm_prepare_and_submit()  argument
149 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in dmaengine_pcm_prepare_and_submit()
155 	direction = snd_pcm_substream_to_dma_direction(substream);  in dmaengine_pcm_prepare_and_submit()
157 	if (!substream->runtime->no_period_wakeup)  in dmaengine_pcm_prepare_and_submit()
162 		substream->runtime->dma_addr,  in dmaengine_pcm_prepare_and_submit()
163 		snd_pcm_lib_buffer_bytes(substream),  in dmaengine_pcm_prepare_and_submit()
164 		snd_pcm_lib_period_bytes(substream), direction, flags);  in dmaengine_pcm_prepare_and_submit()
170 	desc->callback_param = substream;  in dmaengine_pcm_prepare_and_submit()
186 int snd_dmaengine_pcm_trigger(struct snd_pcm_substream *substream, int cmd)  in snd_dmaengine_pcm_trigger()  argument
188 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_trigger()
189 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_dmaengine_pcm_trigger()
194 		ret = dmaengine_pcm_prepare_and_submit(substream);  in snd_dmaengine_pcm_trigger()
230 snd_pcm_uframes_t snd_dmaengine_pcm_pointer_no_residue(struct snd_pcm_substream *substream)  in snd_dmaengine_pcm_pointer_no_residue()  argument
232 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer_no_residue()
233 	return bytes_to_frames(substream->runtime, prtd->pos);  in snd_dmaengine_pcm_pointer_no_residue()
244 snd_pcm_uframes_t snd_dmaengine_pcm_pointer(struct snd_pcm_substream *substream)  in snd_dmaengine_pcm_pointer()  argument
246 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_pointer()
247 	struct snd_pcm_runtime *runtime = substream->runtime;  in snd_dmaengine_pcm_pointer()
255 		buf_size = snd_pcm_lib_buffer_bytes(substream);  in snd_dmaengine_pcm_pointer()
300 int snd_dmaengine_pcm_open(struct snd_pcm_substream *substream,  in snd_dmaengine_pcm_open()  argument
309 	ret = snd_pcm_hw_constraint_integer(substream->runtime,  in snd_dmaengine_pcm_open()
320 	substream->runtime->private_data = prtd;  in snd_dmaengine_pcm_open()
339 int snd_dmaengine_pcm_open_request_chan(struct snd_pcm_substream *substream,  in snd_dmaengine_pcm_open_request_chan()  argument
342 	return snd_dmaengine_pcm_open(substream,  in snd_dmaengine_pcm_open_request_chan()
351 int snd_dmaengine_pcm_close(struct snd_pcm_substream *substream)  in snd_dmaengine_pcm_close()  argument
353 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close()
369 int snd_dmaengine_pcm_close_release_chan(struct snd_pcm_substream *substream)  in snd_dmaengine_pcm_close_release_chan()  argument
371 	struct dmaengine_pcm_runtime_data *prtd = substream_to_prtd(substream);  in snd_dmaengine_pcm_close_release_chan()
394 	struct snd_pcm_substream *substream,  in snd_dmaengine_pcm_refine_runtime_hwparams()  argument
416 		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)  in snd_dmaengine_pcm_refine_runtime_hwparams()